#include <stdio.h>

#define ONE_FLAG (1<<1)
#define TWO_FLAG (1<<2)
#define THREE_FLAG (1<<3)
#define FOUR_FLAG (1<<4)

void print(int flags)
{
	if(flags & ONE_FLAG)
		printf("one\n");
	if(flags & TWO_FLAG)
		printf("twe\n");
	if(flags & THREE_FLAG)
		printf("three\n");
	if(flags & FOUR_FLAG)
		printf("four\n");

}

int main()
{
	print(ONE_FLAG | THREE_FLAG);
	return 0;
}
